buying websites for profit What the central bank can do to prevent the threat to its independence becomes more transparent. They can announce the votes of individual board members on all matters related to the policy and publish the minutes without delay. They can hold more press conferences and be less trite in explaining their policies. They can avoid debate on issues far from their task. They can admit that politicians have a right to determine the central bank's mission objectives. The response to multifactor values is rigid. Rigid instinct (also called the unconditioned reflex) refers to several different tropism in a certain direction organically to form a complete reflex arc reaction mode, it is congenital formation of lower animals, to determine the external stimulation produced by the reaction of the relatively fixed form. Rigid instincts are organisms after a long period of natural selection, gradually formed the low passively adapt to the environment of a kind of way of life, it is born, determined by the genetic factors, to appear without the need for training the day after tomorrow. For example, mechanical stimulation of the coelenterates and arthropods; The newborn's grip reflex, sucking reflex and adult knee jerk reflex, scratching reflex, etc. Instinct is the development form of tropism, rigidity of compound stimuli from a specific things comprehensive response, it makes the organism and the external environment to produce a higher level of coherence, formation of more advanced orderly structure. Anyway, rigid instinct is lower biological things outside of the value of multiple factors is the primary way of ordering reaction, is on the tropism, extension, and the synthesis, make tropism has more purposeful, tropism is get distillation.